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Restic backup to B2 failed on 2026-10-11; alert gave only a script line number

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A critical alert fired on 2026-10-11 at 06:40 reporting that the daily restic backup to Backblaze B2 had failed. The alert gave only the status 'failed' and the detail 'exit at line 92' of the backup script. The job runs via a systemd timer every day at 05:30 and calls a script on the VPS. The alert did not include restic's own error output, so the underlying cause is unknown. The author recommends that alerts for such jobs include restic's actual error output rather than just a line number and status.

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Restic backup to B2 failed on 2026-10-11; alert gave only a script line number · ShortSingh